1420213311021 has 8 divisors (see below), whose sum is σ = 1975948954560. Its totient is φ = 905643270752.

The previous prime is 1420213310969. The next prime is 1420213311043. The reversal of 1420213311021 is 1201133120241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420213311021 - 2¹⁷ = 1420213179949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420213311071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10291400736 + ... + 10291400873.

It is an arithmetic number, because the mean of its divisors is an integer number (246993619320).

Almost surely, 2^{1420213311021} is an apocalyptic number.

It is an amenable number.

1420213311021 is a deficient number, since it is larger than the sum of its proper divisors (555735643539).

1420213311021 is a wasteful number, since it uses less digits than its factorization.

1420213311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20582801635.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1420213311021 its reverse (1201133120241), we get a palindrome (2621346431262).

The spelling of 1420213311021 in words is "one trillion, four hundred twenty billion, two hundred thirteen million, three hundred eleven thousand, twenty-one".